428682880

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 1148583240

約数和(自身を除く): 719900360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 41, 62, 64, 68, 80, 82, 85, 124, 128, 136, 155, 160, 164, 170, 205, 248, 272, 310, 320, 328, 340, 410, 496, 527, 544, 620, 640, 656, 680, 697, 820, 961, 992, 1054, 1088, 1240, 1271, 1312, 1360, 1394, 1640, 1922, 1984, 2108, 2176, 2480, 2542, 2624, 2635, 2720, 2788, 3280, 3485, 3844, 3968, 4216, 4805, 4960, 5084, 5248, 5270, 5440, 5576, 6355, 6560, 6970, 7688, 8432, 9610, 9920, 10168, 10540, 10880, 11152, 12710, 13120, 13940, 15376, 16337, 16864, 19220, 19840, 20336, 21080, 21607, 22304, 25420, 26240, 27880, 30752, 32674, 33728, 38440, 39401, 40672, 42160, 43214, 44608, 50840, 55760, 61504, 65348, 67456, 76880, 78802, 81344, 81685, 84320, 86428, 89216, 101680, 108035, 111520, 123008, 130696, 153760, 157604, 162688, 163370, 168640, 172856, 197005, 203360, 216070, 223040, 261392, 307520, 315208, 326740, 337280, 345712, 394010, 406720, 432140, 446080, 522784, 615040, 630416, 653480, 669817, 691424, 788020, 813440, 864280, 1045568, 1260832, 1306960, 1339634, 1382848, 1576040, 1728560, 2091136, 2521664, 2613920, 2679268, 2765696, 3152080, 3349085, 3457120, 5043328, 5227840, 5358536, 6304160, 6698170, 6914240, 10455680, 10717072, 12608320, 13396340, 13828480, 21434144, 25216640, 26792680, 42868288, 53585360, 85736576, 107170720, 214341440, 428682880]

約数ペア:

[(1, 428682880), (2, 214341440), (4, 107170720), (5, 85736576), (8, 53585360), (10, 42868288), (16, 26792680), (17, 25216640), (20, 21434144), (31, 13828480), (32, 13396340), (34, 12608320), (40, 10717072), (41, 10455680), (62, 6914240), (64, 6698170), (68, 6304160), (80, 5358536), (82, 5227840), (85, 5043328), (124, 3457120), (128, 3349085), (136, 3152080), (155, 2765696), (160, 2679268), (164, 2613920), (170, 2521664), (205, 2091136), (248, 1728560), (272, 1576040), (310, 1382848), (320, 1339634), (328, 1306960), (340, 1260832), (410, 1045568), (496, 864280), (527, 813440), (544, 788020), (620, 691424), (640, 669817), (656, 653480), (680, 630416), (697, 615040), (820, 522784), (961, 446080), (992, 432140), (1054, 406720), (1088, 394010), (1240, 345712), (1271, 337280), (1312, 326740), (1360, 315208), (1394, 307520), (1640, 261392), (1922, 223040), (1984, 216070), (2108, 203360), (2176, 197005), (2480, 172856), (2542, 168640), (2624, 163370), (2635, 162688), (2720, 157604), (2788, 153760), (3280, 130696), (3485, 123008), (3844, 111520), (3968, 108035), (4216, 101680), (4805, 89216), (4960, 86428), (5084, 84320), (5248, 81685), (5270, 81344), (5440, 78802), (5576, 76880), (6355, 67456), (6560, 65348), (6970, 61504), (7688, 55760), (8432, 50840), (9610, 44608), (9920, 43214), (10168, 42160), (10540, 40672), (10880, 39401), (11152, 38440), (12710, 33728), (13120, 32674), (13940, 30752), (15376, 27880), (16337, 26240), (16864, 25420), (19220, 22304), (19840, 21607), (20336, 21080)]